1442787747921

Names of 1442787747921

• Cardinal: 1442787747921 can be written as One trillion, four hundred forty-two billion, seven hundred eighty-seven million, seven hundred forty-seven thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.442787747921 × 10¹²

Factors of 1442787747921

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1656

Divisors of 1442787747921

• Number of divisors d(n): 81
• Complete list of divisors:
  1 3 9 13 19 39 57 117 169 171 247 361 507 741 1083 1521 1621 2223 3211 3249 4693 4863 9633 14079 14589 21073 28899 30799 42237 61009 63219 92397 183027 189657 273949 277191 400387 549081 585181 821847 1201161 1755543 2465541 2627641 3603483 5205031 5266629 7607353 7882923 15615093 22822059 23648769 34159333 46845279 49925179 68466177 98895589 102477999 149775537 296686767 307433997 444071329 449326611 649027327 890060301 948578401 1332213987 1947081981 2845735203 3996641961 5841245943 8437355251 8537205609 12331519213 25312065753 36994557639 75936197259 110983672917 160309749769 480929249307 1442787747921
• Sum of all divisors σ(n): 2383161353937
• Sum of proper divisors (its aliquot sum) s(n): 940373606016
• 1442787747921 is a deficient number, because the sum of its proper divisors (940373606016) is less than itself. Its deficiency is 502414141905

Bases of 1442787747921

• Binary: 10100111111101100110110011110100001010001₂
• Hexadecimal: 0x14FECD9E851
• Base-36: IET2KN69

Squares and roots of 1442787747921

• 1442787747921 squared (1442787747921²) is 2081636485550951039822241
• 1442787747921 cubed (1442787747921³) is 3003359616978241907644864280557310961
• 1442787747921 is a perfect square number. Its square root is 1201161
• The cube root of 1442787747921 is 11299.7147914571

Scales and comparisons

• 1,442,787,747,921 seconds is equal to 45,876 years, 9 weeks, 5 days, 6 hours, 25 minutes, 21 seconds.
• To count from 1 to 1,442,787,747,921 would take you about one hundred fourteen thousand, six hundred ninety years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1442787747921 cubic inches would be around 941.6 feet tall.

Recreational maths with 1442787747921

• 1442787747921 backwards is 1297477872441
• The number of decimal digits it has is: 13
• The sum of 1442787747921's digits is 63
• More coming soon!